feat： topo重构 （40%）

nezha-fronted/src/components/common/mixin/beforeMeta2d.js

@@ -0,0 +1,32 @@
+export default {
+  data () {
+    return {
+      topoData: {},
+      querysArray: {},
+      meta2dType: ''
+    }
+  },
+  mounted () {
+    if (this.meta2dType === 'project') {
+      setTimeout(() => {
+        const res = {
+          topo: {},
+          elements: [],
+          timeType: 4
+        }
+        this.topoData = res.topo
+        this.querysArray = res.elements
+      })
+    } else {
+      setTimeout(() => {
+        const res = {
+          topo: {},
+          elements: [],
+          timeType: 4
+        }
+        this.topoData = res.topo
+        this.querysArray = res.elements
+      })
+    }
+  }
+}